问题
单项选择题
下列（）项属于承载能力极限状态。
A.连续梁中间支座产生塑性铰
B.裂缝宽度超过规定限值
C.结构或构件作为刚体失去平衡
D.预应力构件中混凝土的拉应力超过规范限值
答案
参考答案：C
解析：结构作为刚体失去平衡属于承载能力极限状态，其余均属于正常使用极限状态
搜题请搜索小程序“爱下问搜题”
下列（）项属于承载能力极限状态。
A.连续梁中间支座产生塑性铰
B.裂缝宽度超过规定限值
C.结构或构件作为刚体失去平衡
D.预应力构件中混凝土的拉应力超过规范限值
参考答案：C
解析：结构作为刚体失去平衡属于承载能力极限状态，其余均属于正常使用极限状态
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